Josh Mitchell:

The states that gained the most mi­grants levied an av­er­age max­i­mum in­come-tax rate of 3.8% on in­di­vid­u­als. Four—Flor­ida, Texas, Ten­nessee and Nevada—charged no in­come tax at all. The 10 states that lost the most res­i­dents to moves have an av­er­age tax rate of 8.0%.